Full Member States
- Arkansas
- Georgia
- Indiana
- Iowa
- Kansas
- Kentucky
- Michigan
- Minnesota
- Nebraska
- Nevada
- New Jersey
- North Carolina
- North Dakota
- Ohio
- Oklahoma
- Rhode Island
- South Dakota
- Utah
- Vermont
- Washington
- West Virginia
- Wisconsin
- Wyoming
Non-Member States
- Alabama
- Alaska
- Arizona
- California
- Colorado
- Connecticut
- Delaware
- District of Columbia
- Florida
- Hawaii
- Idaho
- Illinois
- Louisiana
- Maine
- Maryland
- Massachusetts
- Mississippi
- Missouri
- Montana
- New Hampshire
- New Mexico
- New York
- Oregon
- Pennsylvania
- Puerto Rico
- South Carolina
- Texas
- Virginia
Associate Member States
- Tennessee